(57) A preassemblable, reclosable, moveable valve stem actuated'valve structure 21 for
an aerosol-type viscous fluid dispensing container 20. The valve structure is provided
with an initially sealed internal seal 36, 38 and a valve stem 43 operated internal
seal removing component 58, 59. The valve structure is preassembled before association
with the container 20. The seal 36, 38 includes a seal plate 36 and releasable bond
38. The seal removing component 58, 59 is associated with a moveable valve cup member
29. The moveable valve cup member 29 is operated initially by movement of the moveable
valve stem 43 and causes the internal seal removing component 58, 59 to effectuate
a release of the releaseable bond 38, thereby opening the initially sealed internal
seal 36, 38.
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